1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* Copyright (C) 2011-2013 Jozsef Kadlecsik <kadlec@netfilter.org> */ |
3 | |
4 | /* Kernel module implementing an IP set type: the hash:net,iface type */ |
5 | |
6 | #include <linux/jhash.h> |
7 | #include <linux/module.h> |
8 | #include <linux/ip.h> |
9 | #include <linux/skbuff.h> |
10 | #include <linux/errno.h> |
11 | #include <linux/random.h> |
12 | #include <net/ip.h> |
13 | #include <net/ipv6.h> |
14 | #include <net/netlink.h> |
15 | |
16 | #include <linux/netfilter.h> |
17 | #include <linux/netfilter_bridge.h> |
18 | #include <linux/netfilter/ipset/pfxlen.h> |
19 | #include <linux/netfilter/ipset/ip_set.h> |
20 | #include <linux/netfilter/ipset/ip_set_hash.h> |
21 | |
22 | #define IPSET_TYPE_REV_MIN 0 |
23 | /* 1 nomatch flag support added */ |
24 | /* 2 /0 support added */ |
25 | /* 3 Counters support added */ |
26 | /* 4 Comments support added */ |
27 | /* 5 Forceadd support added */ |
28 | /* 6 skbinfo support added */ |
29 | /* 7 interface wildcard support added */ |
30 | #define IPSET_TYPE_REV_MAX 8 /* bucketsize, initval support added */ |
31 | |
32 | MODULE_LICENSE("GPL" ); |
33 | MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@netfilter.org>" ); |
34 | IP_SET_MODULE_DESC("hash:net,iface" , IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX); |
35 | MODULE_ALIAS("ip_set_hash:net,iface" ); |
36 | |
37 | /* Type specific function prefix */ |
38 | #define HTYPE hash_netiface |
39 | #define IP_SET_HASH_WITH_NETS |
40 | #define IP_SET_HASH_WITH_MULTI |
41 | #define IP_SET_HASH_WITH_NET0 |
42 | |
43 | #define STRSCPY(a, b) strscpy(a, b, IFNAMSIZ) |
44 | |
45 | /* IPv4 variant */ |
46 | |
47 | struct hash_netiface4_elem_hashed { |
48 | __be32 ip; |
49 | u8 physdev; |
50 | u8 cidr; |
51 | u8 nomatch; |
52 | u8 elem; |
53 | }; |
54 | |
55 | /* Member elements */ |
56 | struct hash_netiface4_elem { |
57 | __be32 ip; |
58 | u8 physdev; |
59 | u8 cidr; |
60 | u8 nomatch; |
61 | u8 elem; |
62 | u8 wildcard; |
63 | char iface[IFNAMSIZ]; |
64 | }; |
65 | |
66 | /* Common functions */ |
67 | |
68 | static bool |
69 | hash_netiface4_data_equal(const struct hash_netiface4_elem *ip1, |
70 | const struct hash_netiface4_elem *ip2, |
71 | u32 *multi) |
72 | { |
73 | return ip1->ip == ip2->ip && |
74 | ip1->cidr == ip2->cidr && |
75 | (++*multi) && |
76 | ip1->physdev == ip2->physdev && |
77 | (ip1->wildcard ? |
78 | strncmp(ip1->iface, ip2->iface, strlen(ip1->iface)) == 0 : |
79 | strcmp(ip1->iface, ip2->iface) == 0); |
80 | } |
81 | |
82 | static int |
83 | hash_netiface4_do_data_match(const struct hash_netiface4_elem *elem) |
84 | { |
85 | return elem->nomatch ? -ENOTEMPTY : 1; |
86 | } |
87 | |
88 | static void |
89 | hash_netiface4_data_set_flags(struct hash_netiface4_elem *elem, u32 flags) |
90 | { |
91 | elem->nomatch = (flags >> 16) & IPSET_FLAG_NOMATCH; |
92 | } |
93 | |
94 | static void |
95 | hash_netiface4_data_reset_flags(struct hash_netiface4_elem *elem, u8 *flags) |
96 | { |
97 | swap(*flags, elem->nomatch); |
98 | } |
99 | |
100 | static void |
101 | hash_netiface4_data_netmask(struct hash_netiface4_elem *elem, u8 cidr) |
102 | { |
103 | elem->ip &= ip_set_netmask(pfxlen: cidr); |
104 | elem->cidr = cidr; |
105 | } |
106 | |
107 | static bool |
108 | hash_netiface4_data_list(struct sk_buff *skb, |
109 | const struct hash_netiface4_elem *data) |
110 | { |
111 | u32 flags = (data->physdev ? IPSET_FLAG_PHYSDEV : 0) | |
112 | (data->wildcard ? IPSET_FLAG_IFACE_WILDCARD : 0); |
113 | |
114 | if (data->nomatch) |
115 | flags |= IPSET_FLAG_NOMATCH; |
116 | if (nla_put_ipaddr4(skb, type: IPSET_ATTR_IP, ipaddr: data->ip) || |
117 | nla_put_u8(skb, attrtype: IPSET_ATTR_CIDR, value: data->cidr) || |
118 | nla_put_string(skb, attrtype: IPSET_ATTR_IFACE, str: data->iface) || |
119 | (flags && |
120 | nla_put_net32(skb, attrtype: IPSET_ATTR_CADT_FLAGS, htonl(flags)))) |
121 | goto nla_put_failure; |
122 | return false; |
123 | |
124 | nla_put_failure: |
125 | return true; |
126 | } |
127 | |
128 | static void |
129 | hash_netiface4_data_next(struct hash_netiface4_elem *next, |
130 | const struct hash_netiface4_elem *d) |
131 | { |
132 | next->ip = d->ip; |
133 | } |
134 | |
135 | #define MTYPE hash_netiface4 |
136 | #define HOST_MASK 32 |
137 | #define HKEY_DATALEN sizeof(struct hash_netiface4_elem_hashed) |
138 | #include "ip_set_hash_gen.h" |
139 | |
140 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
141 | static const char *get_physindev_name(const struct sk_buff *skb, struct net *net) |
142 | { |
143 | struct net_device *dev = nf_bridge_get_physindev(skb, net); |
144 | |
145 | return dev ? dev->name : NULL; |
146 | } |
147 | |
148 | static const char *get_physoutdev_name(const struct sk_buff *skb) |
149 | { |
150 | struct net_device *dev = nf_bridge_get_physoutdev(skb); |
151 | |
152 | return dev ? dev->name : NULL; |
153 | } |
154 | #endif |
155 | |
156 | static int |
157 | hash_netiface4_kadt(struct ip_set *set, const struct sk_buff *skb, |
158 | const struct xt_action_param *par, |
159 | enum ipset_adt adt, struct ip_set_adt_opt *opt) |
160 | { |
161 | struct hash_netiface4 *h = set->data; |
162 | ipset_adtfn adtfn = set->variant->adt[adt]; |
163 | struct hash_netiface4_elem e = { |
164 | .cidr = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK), |
165 | .elem = 1, |
166 | }; |
167 | struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); |
168 | |
169 | if (adt == IPSET_TEST) |
170 | e.cidr = HOST_MASK; |
171 | |
172 | ip4addrptr(skb, src: opt->flags & IPSET_DIM_ONE_SRC, addr: &e.ip); |
173 | e.ip &= ip_set_netmask(pfxlen: e.cidr); |
174 | |
175 | #define IFACE(dir) (par->state->dir ? par->state->dir->name : "") |
176 | #define SRCDIR (opt->flags & IPSET_DIM_TWO_SRC) |
177 | |
178 | if (opt->cmdflags & IPSET_FLAG_PHYSDEV) { |
179 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
180 | const char *eiface = SRCDIR ? get_physindev_name(skb, net: xt_net(par)) : |
181 | get_physoutdev_name(skb); |
182 | |
183 | if (!eiface) |
184 | return -EINVAL; |
185 | STRSCPY(e.iface, eiface); |
186 | e.physdev = 1; |
187 | #endif |
188 | } else { |
189 | STRSCPY(e.iface, SRCDIR ? IFACE(in) : IFACE(out)); |
190 | } |
191 | |
192 | if (strlen(e.iface) == 0) |
193 | return -EINVAL; |
194 | return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags); |
195 | } |
196 | |
197 | static int |
198 | hash_netiface4_uadt(struct ip_set *set, struct nlattr *tb[], |
199 | enum ipset_adt adt, u32 *lineno, u32 flags, bool retried) |
200 | { |
201 | struct hash_netiface4 *h = set->data; |
202 | ipset_adtfn adtfn = set->variant->adt[adt]; |
203 | struct hash_netiface4_elem e = { .cidr = HOST_MASK, .elem = 1 }; |
204 | struct ip_set_ext ext = IP_SET_INIT_UEXT(set); |
205 | u32 ip = 0, ip_to = 0, i = 0; |
206 | int ret; |
207 | |
208 | if (tb[IPSET_ATTR_LINENO]) |
209 | *lineno = nla_get_u32(nla: tb[IPSET_ATTR_LINENO]); |
210 | |
211 | if (unlikely(!tb[IPSET_ATTR_IP] || |
212 | !tb[IPSET_ATTR_IFACE] || |
213 | !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS))) |
214 | return -IPSET_ERR_PROTOCOL; |
215 | |
216 | ret = ip_set_get_hostipaddr4(nla: tb[IPSET_ATTR_IP], ipaddr: &ip); |
217 | if (ret) |
218 | return ret; |
219 | |
220 | ret = ip_set_get_extensions(set, tb, ext: &ext); |
221 | if (ret) |
222 | return ret; |
223 | |
224 | if (tb[IPSET_ATTR_CIDR]) { |
225 | e.cidr = nla_get_u8(nla: tb[IPSET_ATTR_CIDR]); |
226 | if (e.cidr > HOST_MASK) |
227 | return -IPSET_ERR_INVALID_CIDR; |
228 | } |
229 | nla_strscpy(dst: e.iface, nla: tb[IPSET_ATTR_IFACE], IFNAMSIZ); |
230 | |
231 | if (tb[IPSET_ATTR_CADT_FLAGS]) { |
232 | u32 cadt_flags = ip_set_get_h32(attr: tb[IPSET_ATTR_CADT_FLAGS]); |
233 | |
234 | if (cadt_flags & IPSET_FLAG_PHYSDEV) |
235 | e.physdev = 1; |
236 | if (cadt_flags & IPSET_FLAG_NOMATCH) |
237 | flags |= (IPSET_FLAG_NOMATCH << 16); |
238 | if (cadt_flags & IPSET_FLAG_IFACE_WILDCARD) |
239 | e.wildcard = 1; |
240 | } |
241 | if (adt == IPSET_TEST || !tb[IPSET_ATTR_IP_TO]) { |
242 | e.ip = htonl(ip & ip_set_hostmask(e.cidr)); |
243 | ret = adtfn(set, &e, &ext, &ext, flags); |
244 | return ip_set_enomatch(ret, flags, adt, set) ? -ret : |
245 | ip_set_eexist(ret, flags) ? 0 : ret; |
246 | } |
247 | |
248 | if (tb[IPSET_ATTR_IP_TO]) { |
249 | ret = ip_set_get_hostipaddr4(nla: tb[IPSET_ATTR_IP_TO], ipaddr: &ip_to); |
250 | if (ret) |
251 | return ret; |
252 | if (ip_to < ip) |
253 | swap(ip, ip_to); |
254 | if (ip + UINT_MAX == ip_to) |
255 | return -IPSET_ERR_HASH_RANGE; |
256 | } else { |
257 | ip_set_mask_from_to(ip, ip_to, e.cidr); |
258 | } |
259 | |
260 | if (retried) |
261 | ip = ntohl(h->next.ip); |
262 | do { |
263 | i++; |
264 | e.ip = htonl(ip); |
265 | if (i > IPSET_MAX_RANGE) { |
266 | hash_netiface4_data_next(next: &h->next, d: &e); |
267 | return -ERANGE; |
268 | } |
269 | ip = ip_set_range_to_cidr(from: ip, to: ip_to, cidr: &e.cidr); |
270 | ret = adtfn(set, &e, &ext, &ext, flags); |
271 | |
272 | if (ret && !ip_set_eexist(ret, flags)) |
273 | return ret; |
274 | |
275 | ret = 0; |
276 | } while (ip++ < ip_to); |
277 | return ret; |
278 | } |
279 | |
280 | /* IPv6 variant */ |
281 | |
282 | struct hash_netiface6_elem_hashed { |
283 | union nf_inet_addr ip; |
284 | u8 physdev; |
285 | u8 cidr; |
286 | u8 nomatch; |
287 | u8 elem; |
288 | }; |
289 | |
290 | struct hash_netiface6_elem { |
291 | union nf_inet_addr ip; |
292 | u8 physdev; |
293 | u8 cidr; |
294 | u8 nomatch; |
295 | u8 elem; |
296 | u8 wildcard; |
297 | char iface[IFNAMSIZ]; |
298 | }; |
299 | |
300 | /* Common functions */ |
301 | |
302 | static bool |
303 | hash_netiface6_data_equal(const struct hash_netiface6_elem *ip1, |
304 | const struct hash_netiface6_elem *ip2, |
305 | u32 *multi) |
306 | { |
307 | return ipv6_addr_equal(a1: &ip1->ip.in6, a2: &ip2->ip.in6) && |
308 | ip1->cidr == ip2->cidr && |
309 | (++*multi) && |
310 | ip1->physdev == ip2->physdev && |
311 | (ip1->wildcard ? |
312 | strncmp(ip1->iface, ip2->iface, strlen(ip1->iface)) == 0 : |
313 | strcmp(ip1->iface, ip2->iface) == 0); |
314 | } |
315 | |
316 | static int |
317 | hash_netiface6_do_data_match(const struct hash_netiface6_elem *elem) |
318 | { |
319 | return elem->nomatch ? -ENOTEMPTY : 1; |
320 | } |
321 | |
322 | static void |
323 | hash_netiface6_data_set_flags(struct hash_netiface6_elem *elem, u32 flags) |
324 | { |
325 | elem->nomatch = (flags >> 16) & IPSET_FLAG_NOMATCH; |
326 | } |
327 | |
328 | static void |
329 | hash_netiface6_data_reset_flags(struct hash_netiface6_elem *elem, u8 *flags) |
330 | { |
331 | swap(*flags, elem->nomatch); |
332 | } |
333 | |
334 | static void |
335 | hash_netiface6_data_netmask(struct hash_netiface6_elem *elem, u8 cidr) |
336 | { |
337 | ip6_netmask(ip: &elem->ip, prefix: cidr); |
338 | elem->cidr = cidr; |
339 | } |
340 | |
341 | static bool |
342 | hash_netiface6_data_list(struct sk_buff *skb, |
343 | const struct hash_netiface6_elem *data) |
344 | { |
345 | u32 flags = (data->physdev ? IPSET_FLAG_PHYSDEV : 0) | |
346 | (data->wildcard ? IPSET_FLAG_IFACE_WILDCARD : 0); |
347 | |
348 | if (data->nomatch) |
349 | flags |= IPSET_FLAG_NOMATCH; |
350 | if (nla_put_ipaddr6(skb, type: IPSET_ATTR_IP, ipaddrptr: &data->ip.in6) || |
351 | nla_put_u8(skb, attrtype: IPSET_ATTR_CIDR, value: data->cidr) || |
352 | nla_put_string(skb, attrtype: IPSET_ATTR_IFACE, str: data->iface) || |
353 | (flags && |
354 | nla_put_net32(skb, attrtype: IPSET_ATTR_CADT_FLAGS, htonl(flags)))) |
355 | goto nla_put_failure; |
356 | return false; |
357 | |
358 | nla_put_failure: |
359 | return true; |
360 | } |
361 | |
362 | static void |
363 | hash_netiface6_data_next(struct hash_netiface6_elem *next, |
364 | const struct hash_netiface6_elem *d) |
365 | { |
366 | } |
367 | |
368 | #undef MTYPE |
369 | #undef HOST_MASK |
370 | |
371 | #define MTYPE hash_netiface6 |
372 | #define HOST_MASK 128 |
373 | #define HKEY_DATALEN sizeof(struct hash_netiface6_elem_hashed) |
374 | #define IP_SET_EMIT_CREATE |
375 | #include "ip_set_hash_gen.h" |
376 | |
377 | static int |
378 | hash_netiface6_kadt(struct ip_set *set, const struct sk_buff *skb, |
379 | const struct xt_action_param *par, |
380 | enum ipset_adt adt, struct ip_set_adt_opt *opt) |
381 | { |
382 | struct hash_netiface6 *h = set->data; |
383 | ipset_adtfn adtfn = set->variant->adt[adt]; |
384 | struct hash_netiface6_elem e = { |
385 | .cidr = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK), |
386 | .elem = 1, |
387 | }; |
388 | struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); |
389 | |
390 | if (adt == IPSET_TEST) |
391 | e.cidr = HOST_MASK; |
392 | |
393 | ip6addrptr(skb, src: opt->flags & IPSET_DIM_ONE_SRC, addr: &e.ip.in6); |
394 | ip6_netmask(ip: &e.ip, prefix: e.cidr); |
395 | |
396 | if (opt->cmdflags & IPSET_FLAG_PHYSDEV) { |
397 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
398 | const char *eiface = SRCDIR ? get_physindev_name(skb, net: xt_net(par)) : |
399 | get_physoutdev_name(skb); |
400 | |
401 | if (!eiface) |
402 | return -EINVAL; |
403 | STRSCPY(e.iface, eiface); |
404 | e.physdev = 1; |
405 | #endif |
406 | } else { |
407 | STRSCPY(e.iface, SRCDIR ? IFACE(in) : IFACE(out)); |
408 | } |
409 | |
410 | if (strlen(e.iface) == 0) |
411 | return -EINVAL; |
412 | |
413 | return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags); |
414 | } |
415 | |
416 | static int |
417 | hash_netiface6_uadt(struct ip_set *set, struct nlattr *tb[], |
418 | enum ipset_adt adt, u32 *lineno, u32 flags, bool retried) |
419 | { |
420 | ipset_adtfn adtfn = set->variant->adt[adt]; |
421 | struct hash_netiface6_elem e = { .cidr = HOST_MASK, .elem = 1 }; |
422 | struct ip_set_ext ext = IP_SET_INIT_UEXT(set); |
423 | int ret; |
424 | |
425 | if (tb[IPSET_ATTR_LINENO]) |
426 | *lineno = nla_get_u32(nla: tb[IPSET_ATTR_LINENO]); |
427 | |
428 | if (unlikely(!tb[IPSET_ATTR_IP] || |
429 | !tb[IPSET_ATTR_IFACE] || |
430 | !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS))) |
431 | return -IPSET_ERR_PROTOCOL; |
432 | if (unlikely(tb[IPSET_ATTR_IP_TO])) |
433 | return -IPSET_ERR_HASH_RANGE_UNSUPPORTED; |
434 | |
435 | ret = ip_set_get_ipaddr6(nla: tb[IPSET_ATTR_IP], ipaddr: &e.ip); |
436 | if (ret) |
437 | return ret; |
438 | |
439 | ret = ip_set_get_extensions(set, tb, ext: &ext); |
440 | if (ret) |
441 | return ret; |
442 | |
443 | if (tb[IPSET_ATTR_CIDR]) { |
444 | e.cidr = nla_get_u8(nla: tb[IPSET_ATTR_CIDR]); |
445 | if (e.cidr > HOST_MASK) |
446 | return -IPSET_ERR_INVALID_CIDR; |
447 | } |
448 | |
449 | ip6_netmask(ip: &e.ip, prefix: e.cidr); |
450 | |
451 | nla_strscpy(dst: e.iface, nla: tb[IPSET_ATTR_IFACE], IFNAMSIZ); |
452 | |
453 | if (tb[IPSET_ATTR_CADT_FLAGS]) { |
454 | u32 cadt_flags = ip_set_get_h32(attr: tb[IPSET_ATTR_CADT_FLAGS]); |
455 | |
456 | if (cadt_flags & IPSET_FLAG_PHYSDEV) |
457 | e.physdev = 1; |
458 | if (cadt_flags & IPSET_FLAG_NOMATCH) |
459 | flags |= (IPSET_FLAG_NOMATCH << 16); |
460 | if (cadt_flags & IPSET_FLAG_IFACE_WILDCARD) |
461 | e.wildcard = 1; |
462 | } |
463 | |
464 | ret = adtfn(set, &e, &ext, &ext, flags); |
465 | |
466 | return ip_set_enomatch(ret, flags, adt, set) ? -ret : |
467 | ip_set_eexist(ret, flags) ? 0 : ret; |
468 | } |
469 | |
470 | static struct ip_set_type hash_netiface_type __read_mostly = { |
471 | .name = "hash:net,iface" , |
472 | .protocol = IPSET_PROTOCOL, |
473 | .features = IPSET_TYPE_IP | IPSET_TYPE_IFACE | |
474 | IPSET_TYPE_NOMATCH, |
475 | .dimension = IPSET_DIM_TWO, |
476 | .family = NFPROTO_UNSPEC, |
477 | .revision_min = IPSET_TYPE_REV_MIN, |
478 | .revision_max = IPSET_TYPE_REV_MAX, |
479 | .create_flags[IPSET_TYPE_REV_MAX] = IPSET_CREATE_FLAG_BUCKETSIZE, |
480 | .create = hash_netiface_create, |
481 | .create_policy = { |
482 | [IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 }, |
483 | [IPSET_ATTR_MAXELEM] = { .type = NLA_U32 }, |
484 | [IPSET_ATTR_INITVAL] = { .type = NLA_U32 }, |
485 | [IPSET_ATTR_BUCKETSIZE] = { .type = NLA_U8 }, |
486 | [IPSET_ATTR_RESIZE] = { .type = NLA_U8 }, |
487 | [IPSET_ATTR_PROTO] = { .type = NLA_U8 }, |
488 | [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 }, |
489 | [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 }, |
490 | }, |
491 | .adt_policy = { |
492 | [IPSET_ATTR_IP] = { .type = NLA_NESTED }, |
493 | [IPSET_ATTR_IP_TO] = { .type = NLA_NESTED }, |
494 | [IPSET_ATTR_IFACE] = { .type = NLA_NUL_STRING, |
495 | .len = IFNAMSIZ - 1 }, |
496 | [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 }, |
497 | [IPSET_ATTR_CIDR] = { .type = NLA_U8 }, |
498 | [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 }, |
499 | [IPSET_ATTR_LINENO] = { .type = NLA_U32 }, |
500 | [IPSET_ATTR_BYTES] = { .type = NLA_U64 }, |
501 | [IPSET_ATTR_PACKETS] = { .type = NLA_U64 }, |
502 | [IPSET_ATTR_COMMENT] = { .type = NLA_NUL_STRING, |
503 | .len = IPSET_MAX_COMMENT_SIZE }, |
504 | [IPSET_ATTR_SKBMARK] = { .type = NLA_U64 }, |
505 | [IPSET_ATTR_SKBPRIO] = { .type = NLA_U32 }, |
506 | [IPSET_ATTR_SKBQUEUE] = { .type = NLA_U16 }, |
507 | }, |
508 | .me = THIS_MODULE, |
509 | }; |
510 | |
511 | static int __init |
512 | hash_netiface_init(void) |
513 | { |
514 | return ip_set_type_register(set_type: &hash_netiface_type); |
515 | } |
516 | |
517 | static void __exit |
518 | hash_netiface_fini(void) |
519 | { |
520 | rcu_barrier(); |
521 | ip_set_type_unregister(set_type: &hash_netiface_type); |
522 | } |
523 | |
524 | module_init(hash_netiface_init); |
525 | module_exit(hash_netiface_fini); |
526 | |